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Science M.C.Q

how do organisms reproduce ? · Gujarat Board (GSEB) STD 10 (GSEB - English Medium). 38 questions.

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38 questions · timed · auto-graded

MCQ 11 Mark
Find mismatched pair:
  • A
    Viral infection - Warts
  • B
    Bacterial infection- Syphilis
  • ✓
    Fungal infection - Kala-azar
  • D
    Protozoan infection Malaria
Answer
Correct option: C.
Fungal infection - Kala-azar
C. Pistil → Anther, Filament
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MCQ 21 Mark
Find mismatched pair:
  • A
    Hydra → Budding, Regeneration
  • B
    Binary fission → Amoeba, Leishmania
  • ✓
    Pistil → Anther, Filament
  • D
    Sperms → Genetic material, Long tail
Answer
Correct option: C.
Pistil → Anther, Filament
C. Pistil → Anther, Filament
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MCQ 31 Mark
Which is the sign of initiation of reproductive maturity in girl?
  • ✓
    When menstruation occurs
  • B
    When embryo is carried
  • C
    When she arrives at menopause stage
  • D
    Before ovulation
Answer
Correct option: A.
When menstruation occurs
A. When menstruation occurs
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MCQ 41 Mark
Statement $A$: Prenatal sex determination has been prohibited by law. Reason $R$: Illegal sex-selective abortion of female foetuses increased. Which is the correct option for $A$ and $R?$
  • ✓
    Both $A$ and $R$ correct, $R$ is correct explanation of $A.$
  • B
    Both $A$ and $R$ correct, but $R$ is not explanation of $A.$
  • C
    $A$ is correct, $R$ is incorrect.
  • D
    $A$ is incorrect, $R$ is correct.
Answer
Correct option: A.
Both $A$ and $R$ correct, $R$ is correct explanation of $A.$
Both $A$ and $R$ correct, $R$ is correct explanation of $A.$
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MCQ 51 Mark
In which contraceptive method, condom is used?
  • A
    Surgical method
  • B
    Hormonal method
  • C
    Chemical method
  • ✓
    Mechanical method
Answer
Correct option: D.
Mechanical method
D. Mechanical method
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MCQ 61 Mark
When plants lose the capacity of seed formation then how does reproduction occur in them?
  • A
    By spore formation
  • ✓
    By vegetative propagation
  • C
    By fission
  • D
    By regeneration
Answer
Correct option: B.
By vegetative propagation
B. By vegetative propagation
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MCQ 71 Mark
Which part of flower becomes mature and modified into fruit?
  • A
    Ovule
  • B
    Carpel
  • ✓
    Ovary
  • D
    Female gamete
Answer
Correct option: C.
Ovary
C. Ovary
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MCQ 81 Mark
Which of the following is true for the flower? $(1)$ Flowers are always bisexual. $(2)$ They possess sexual reproductive part. $(3)$ They are produced in all plant groups. $(4)$ Its ovule after fertilisation is converted into seed.
  • A
    $(1)$ and $(3)$
  • B
    $(2)$ and $(3)$
  • C
    $(1)$ and $(4)$
  • ✓
    $(2)$ and $(4)$
Answer
Correct option: D.
$(2)$ and $(4)$
$(2)$ and $(4)$
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MCQ 91 Mark
Which is a necessity of cellular reproduction?
  • A
    Changes in niche
  • B
    Continuity of life
  • ✓
    Copying of DNA
  • D
    Transportation of hereditary characters
Answer
Correct option: C.
Copying of DNA
C. Copying of DNA
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MCQ 101 Mark
The responsible factors for rapid spread of rhizopus on piece of bread are ……. $(1)$ more amount of spores. $(2)$ getting moist and mineral nutrients from the bread. $(3)$ presence of branched tubular hyphae. $(4)$ round spores having sporangium.
  • A
    $(1)$ and $(3)$
  • B
    $(2)$ and $(4)$
  • ✓
    $(1)$ and $(2)$
  • D
    $(3)$ and $(4)$
Answer
Correct option: C.
$(1)$ and $(2)$
$(1)$ and $(2)$
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MCQ 111 Mark
What is the similarity in reproduction between amoeba and bacteria? $(1)$ They are multicellular. $(2)$ They are unicellular. $(3)$ They only undergo sexual reproduction. $(4)$ They only undergo asexual reproduction. $(5)$ They mainly undergo binary fission.
  • A
    $(1), (3)$ and $(4)$
  • ✓
    $(2)$ and $(5)$
  • C
    $(2)$ and $(4)$
  • D
    $(2), (4)$ and $(5)$
Answer
Correct option: B.
$(2)$ and $(5)$
$(2)$ and $(5)$
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MCQ 121 Mark
From the following, which fungus does not undergo asexual reproduction through spore formation?
  • A
    Rhizopus
  • B
    Penicillium
  • ✓
    Yeast
  • D
    Mucor
Answer
Correct option: C.
Yeast
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MCQ 131 Mark
In asexual reproduction, off springs are similar, because $……..$
  • ✓
    only one parent is involved in reproduction.
  • B
    two parents are involved in reproduction.
  • C
    reproductive cells are involved.
  • D
    reproductive cells are not involved.
Answer
Correct option: A.
only one parent is involved in reproduction.
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MCQ 141 Mark
Which structure develops between uterine wall and foetus to fulfill the need of nutrition?
  • ✓
    Placenta
  • B
    Umbilical cord
  • C
    Amnion
  • D
    Amniotic fluid
Answer
Correct option: A.
Placenta
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MCQ 151 Mark
Duration from time of fertilisation in human female to the birth of a child:
  • A
    $100$ days
  • B
    $180$ days
  • C
    $210$ days
  • ✓
    $280$ days
Answer
Correct option: D.
$280$ days
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MCQ 161 Mark
Where does the implantation and development of the embryo take place?
  • A
    In uterus
  • B
    In vagina
  • C
    In ovary
  • ✓
    In oviduct
Answer
Correct option: D.
In oviduct
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MCQ 171 Mark
Where does the fertilisation of sperm and ovum occur in human?
  • A
    In uterus
  • B
    In oviduct
  • C
    In vagina
  • ✓
    $(B)$ and $(C)$ both. 
Answer
Correct option: D.
$(B)$ and $(C)$ both. 
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MCQ 181 Mark
If the normal temperature of the body is $37^\circ C,$ then the ideal temperature of the scrotum is $……..$
  • A
    $37 ^\circ C$
  • B
    $36 ^\circ C$
  • C
    $39 ^\circ C$
  • ✓
    $34 ^\circ C$
Answer
Correct option: D.
$34 ^\circ C$
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MCQ 191 Mark
Where are testes located in male?
  • A
    In abdominal cavity
  • B
    In vas deferens
  • ✓
    In scrotum
  • D
    In penis
Answer
Correct option: C.
In scrotum
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MCQ 201 Mark
Which of the following organism shows regeneration?
  • A
    Amoeba
  • B
    Paramoecium
  • ✓
    Hydra $($or Planaria$)$
  • D
    Rhizopus
Answer
Correct option: C.
Hydra $($or Planaria$)$
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MCQ 211 Mark
Stamen in flower:
  • A
    They produce new seeds.
  • B
    They produce new fruit.
  • ✓
    They produce pollen grains.
  • D
    They develops fertilised ovum.
Answer
Correct option: C.
They produce pollen grains.
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MCQ 221 Mark
For how many days does the menstruation period last in woman?
  • ✓
    $2$ to $8$
  • B
    $10$ to $12$
  • C
    $13$ to $18$
  • D
    $28$ to $32$
Answer
Correct option: A.
$2$ to $8$
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MCQ 231 Mark
Offsprings formed by organisms showing asexual reproduction have greater range of similarity because $….. (1)$ only one parent is involved in asexual reproduction. $(2)$ reproductive cells does not involve in asexual reproduction. $(3)$ asexual reproduction is faster than sexual reproduction. $(4)$ more offsprings are produced in asexual reproduction.
  • A
    $(1)$ and $(2)$
  • ✓
    $(1)$ and $(3)$
  • C
    $(2)$ and $(4)$
  • D
    $(3)$ and $(4)$
Answer
Correct option: B.
$(1)$ and $(3)$
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MCQ 241 Mark
Which of the following group of sexual diseases occur through the bacteria?
  • A
    $\text{AIDS-}$Herpes of reproductive organs
  • ✓
    Syphilis$-$Gonorrhea
  • C
    Syphilis$\text{-AIDS}$
  • D
    Gonorrhea$\text{-AIDS}$
Answer
Correct option: B.
Syphilis$-$Gonorrhea
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MCQ 251 Mark
Which of the following are not the functions of testes, at puberty$?(1)$ Formation of reproductive cells $(2)$ Development of placenta $(3)$ Secretion of testosterone $(4)$ Secretion of progesterone
  • A
    $(1)$ and $(4)$
  • ✓
    $(2)$ and $(4)$
  • C
    $(3)$ and $(4)$
  • D
    $(2)$ and $(3)$
Answer
Correct option: B.
$(2)$ and $(4)$
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MCQ 261 Mark
For the formation of sperms in testes, the temperature $.......$
  • ✓
    must be lower than the body temperature.
  • B
    must be higher than the body temperature.
  • C
    must be same as the body temperature.
  • D
    temperature is not an affecting factor.
Answer
Correct option: A.
must be lower than the body temperature.
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MCQ 271 Mark
At the stage of puberty in boy there are secondary sexual changes. Which of the following is these?
  • A
    Increase in height and weight              
  • B
    Hair growth in armpits
  • C
    Hair growth in genital area
  • ✓
    Larger and erect penis
Answer
Correct option: D.
Larger and erect penis
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MCQ 281 Mark
In which type of reproduction there is seed formation?
  • A
    Vegetative propagation
  • B
    Asexual reproduction
  • ✓
    Sexual reproduction
  • D
    Budding
Answer
Correct option: C.
Sexual reproduction
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MCQ 291 Mark
What will be produced from the fertilised egg cell in a flower?
  • ✓
    Embryo
  • B
    Spore
  • C
    Fruit
  • D
    All of given
Answer
Correct option: A.
Embryo
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MCQ 301 Mark
In which part of the flower male reproductive cells and female reproductive cells are produced respectively?
  • ✓
    Pollen grain, ovule
  • B
    Anther, Stigma
  • C
    Stigma, style
  • D
    Ovary, ovule
Answer
Correct option: A.
Pollen grain, ovule
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MCQ 311 Mark
What is indicated by the given figure?ariation is observed more in the offsprings produced through sexual reproduction, because $…….$
  • A
    sexual reproduction is a long and complicated process.
  • B
    genetic material of two parents of different species is inherited in offspring.
  • ✓
    genetic material of two parents of same species is inherited in offspring.
  • D
    genetic material in the offspring is double than that in the parent.
Answer
Correct option: C.
genetic material of two parents of same species is inherited in offspring.
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MCQ 331 Mark
Which parts of plant produce new plant through vegetative propagation?
  • A
    Root, stem and flower
  • B
    Stem, flower and fruit
  • C
    Stem, leaf and flower
  • ✓
    Root, stem and leaf
Answer
Correct option: D.
Root, stem and leaf
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MCQ 341 Mark
Which kind of reproduction methods are fission, budding, spore formation, etc.?
  • A
    Vegetative propagation
  • ✓
    Asexual reproduction
  • C
    Sexual reproduction
  • D
    None of these
Answer
Correct option: B.
Asexual reproduction
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MCQ 351 Mark
The filaments of certain algae breaks again and again and each part develops as individual algae. Which type of process is this?
  • A
    Budding
  • ✓
    Fragmentation
  • C
    Binary fission
  • D
    Multiple fission
Answer
Correct option: B.
Fragmentation
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MCQ 361 Mark
Method of asexual reproduction in spirogyra $…….$
  • A
    division of a cell into two cells
  • ✓
    breaking up of filaments into smaller bits
  • C
    division of a cell into many cells
  • D
    formation of a large number of buds
Answer
Correct option: B.
breaking up of filaments into smaller bits
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MCQ 371 Mark
In which of the following living organism spore formation takes place?
  • ✓
    Rhizopus
  • B
    Planaria
  • C
    Spirogyra
  • D
    Potato
Answer
Correct option: A.
Rhizopus
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MCQ 381 Mark
A simple multicellular animal having tentacles and lives in fresh water reproduces by the asexual method of $……$
  • A
    binary fission
  • B
    spore formation
  • ✓
    budding
  • D
    fragmentation
Answer
Correct option: C.
budding
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